![](https://glass.promic.fr/wp-content/uploads/2020/11/image_des-filtres-dichroiques-a-makkah.jpg)
Promic participate in lighting the world biggest clock
Dichroic filters in Makkah
Dichroic filters provided by PROMIC enlight
« MAKKAH Clock Royal Tower »the world biggest clock in Saoudi Arabia.
Dichroic filters provided by PROMIC enlight
« MAKKAH Clock Royal Tower »the world biggest clock in Saoudi Arabia.